CN206528020U - A kind of lever-type ejection mechanism - Google Patents
A kind of lever-type ejection mechanism Download PDFInfo
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- CN206528020U CN206528020U CN201621276083.8U CN201621276083U CN206528020U CN 206528020 U CN206528020 U CN 206528020U CN 201621276083 U CN201621276083 U CN 201621276083U CN 206528020 U CN206528020 U CN 206528020U
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- lever
- core
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- pulling pole
- actuating arm
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Abstract
The utility model provides a kind of lever-type ejection mechanism, in matched moulds, is above embossed on lower mould and depresses release link, release link is depressed the first actuating arm, compression spring is pressed on base by the first actuating arm；First position limit arm is by the first core_pulling pole jack-up and Loose core block is fitted with workpiece；During die sinking, upper mould is opened up, and compression spring is released, and compression spring is by the upward jack-up of the first actuating arm, so that the first position limit arm is moved downward, the first core_pulling pole is moved down with the first position limit arm, so as to drive the first Loose core block to depart from workpiece, completes core_pulling demoulding.Thus, a kind of lever-type ejection mechanism of the present utility model, can conveniently realize the stripping operation of workpiece, simple in construction, easy to operate.
Description
Technical field
The utility model is related to a kind of lever-type ejection mechanism, belongs to injection molding technical field.
Background technology
In injection molding field, there is the mechanism of various core_pulling demouldings in the prior art, but for specific
The construction of product and specific mold structure, core-drawing demoulding mechanism can not be general, it is necessary to design suitable according to actual situation
Mould emptier, to complete the stripping operation of workpiece.If core-drawing demoulding mechanism design is not ingenious enough, not only complicated, into
This is higher, and operation difficulty is larger, is unfavorable for the raising of processing efficiency.
Direction shown in arrow is the stripping direction of workpiece in a kind of workpiece of injection molding as shown in Figure 1, Fig. 1, still
Spatially there is core-drawing hole at two, the axis and stripping direction of core-drawing hole are not parallel, with certain angle, in workpiece edge demoulding side
To during movement, the core portion in core-drawing hole can stop that workpiece is stripped.In order to solve this problem, it is necessary to using Drawing-Core de-
Mold mechanism, while workpiece is stripped along stripping direction, core-pulling mechanism drives Loose core block to depart from core-drawing hole.But, prior art
In core-pulling mechanism it is although varied, can adapt to but and completely the structure of this product, and core-pulling mechanism knot of the prior art
Structure is complicated, operation inconvenience, causes injection efficiency relatively low.
Utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of lever ingot stripper
Structure, can conveniently realize the stripping operation of workpiece, simple in construction, easy to operate.
In order to achieve the above objects and other related objects, the utility model provides a kind of lever-type ejection mechanism, using such as
Lower technical scheme：A kind of lever-type ejection mechanism, including upper die and lower die, the upper mould is above lower mould, on the lower mould
Provided with a base, base, which is provided with first rotating shaft, first rotating shaft to be connected with the middle part of the first lever, the first lever, is connected to the
In one rotating shaft, the two ends of the first lever are respectively equipped with the first actuating arm and the first position limit arm, and the lower end of the first actuating arm is provided with pressure
Contracting spring, the lower end of compression spring is pressed on base, and the upper end of compression spring is against the bottom of the first actuating arm；On the lower mould
Release link and the first core_pulling pole are additionally provided with, the upper end of release link is connected to the bottom of mould, and the lower end of release link is pressed in described
On one actuating arm；The upper end of first core_pulling pole is connected with the first Loose core block, and the lower end of the first core_pulling pole is pressed on the first position limit arm.
Preferably, it is additionally provided with the base in the second rotating shaft, the second rotating shaft and is connected with the second lever, in the second lever
Portion is connected in the second rotating shaft, and the two ends of the second lever are respectively the second actuating arm and the second position limit arm, the bottom of the second actuating arm
Portion is pressed in the compression spring；The lower end of the release link is against at the top of second actuating arm；Is additionally provided with the lower mould
Two core_pulling poles, the upper end of the second core_pulling pole is connected with the second Loose core block, and the lower end of the second core_pulling pole is pressed on the second position limit arm.
Preferably, second core_pulling pole is parallel to the first core_pulling pole.
Preferably, second lever and the first lever are symmetrically arranged at the axis both sides of release link.
Preferably, the upper end of the release link is connected to the bottom of mould.
Preferably, first lever, the first actuating arm, the second actuating arm are the integrative-structure taken the shape of the letter U.
Preferably, it is provided with the first pilot hole in the lower mould, first core_pulling pole is located in the first pilot hole and with the
One pilot hole is slidably matched.
Preferably, the lower end of first core_pulling pole is provided with the first contiguous block, the bottom surface of the first contiguous block and first spacing
Arm offsets；Provided with the first auxiliary stage clip between the bottom surface of the top surface of first contiguous block and upper mould.
Preferably, provided with the multiple first auxiliary stage clips, first auxiliary between the bottom surface of the top surface of contiguous block and upper mould
The diameter parallel of the axis of stage clip and the first core_pulling pole.
Further, the axis of the release link is parallel with the opening direction of upper mould, the axis of first core_pulling pole with
Between the axis of release link there is angle to be acute angle.
As described above, a kind of lever-type ejection mechanism of the present utility model, has the advantages that：It is of the present utility model
A kind of lever-type ejection mechanism is embossed on lower mould in matched moulds, above and depresses release link, makes release link by the first actuating arm
Compression spring is pressed on base by pressure, the first actuating arm；First position limit arm by the first core_pulling pole jack-up and make Loose core block with
Workpiece is fitted；During die sinking, upper mould is opened up, and compression spring is released, compression spring by the upward jack-up of the first actuating arm so that
Move downward the first position limit arm, the first core_pulling pole is moved down with the first position limit arm, so as to drive the first Loose core block to depart from work
Part, completes core_pulling demoulding.Thus, a kind of lever-type ejection mechanism of the present utility model, can conveniently realize the demoulding of workpiece
Operation, it is simple in construction, it is easy to operate.
Brief description of the drawings
Fig. 1 shows the structural representation of workpiece.
Fig. 2 is shown as a kind of schematic perspective view of lever core-pulling mechanism of the present utility model, and upper die and lower die do not show
Show.
Fig. 3 is shown as a kind of front view of lever core-pulling mechanism of the present utility model, and upper die and lower die part is shown.
Fig. 4 is shown as a kind of left view of lever core-pulling mechanism of the present utility model, and upper die and lower die part is shown.
Piece mark explanation
The pilot hole of 1 workpiece 15 first
The Loose core block of 2 core-drawing hole 16 first
The contiguous block of mould 17 first on 3
4 times mould 18 first aids in stage clip
The core-pulling mechanism of 5 base 19 second
The rotating shaft of 6 compression spring 20 second
The lever of 7 release link 21 second
The actuating arm of 8 reset guide hole 22 second
The position limit arm of 9 first core-pulling mechanism 23 second
The core_pulling pole of 10 first rotating shaft 24 second
The pilot hole of 11 first lever 25 second
The Loose core block of 12 first actuating arm 26 second
The contiguous block of 13 first position limit arm 27 second
14 first core_pulling poles 28 second aid in stage clip
Embodiment
Illustrate embodiment of the present utility model below by way of specific instantiation, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages of the present utility model and effect easily.The utility model can also be by addition
Different embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints with answering
With, without departing from it is of the present utility model spirit under carry out various modifications or alterations.
Fig. 2, Fig. 3 and Fig. 4 are refer to, the utility model provides a kind of lever-type ejection mechanism, including upper mould 3 and lower mould 4,
The upper mould 3 is provided with a base 5 located at the lower top of mould 4, the lower mould 4, and base 5 is provided with first rotating shaft 10, first rotating shaft
The first lever 11 is connected with 10, the middle part of the first lever 11 is connected in first rotating shaft 10, the two ends difference of the first lever 11
Provided with the first actuating arm 12 and the first position limit arm 13, the lower end of the first actuating arm 12 is provided with compression spring 6, compression spring 6
Side pressure is on base 5, and the upper end of compression spring 6 is against the bottom of the first actuating arm 12；Release link 7 is additionally provided with the lower mould 4
With the first core_pulling pole 14, the upper end of release link 7 is connected to the bottom of mould 3, and the lower end of release link 7 is pressed in first actuating arm
On 12；The upper end of first core_pulling pole 14 is connected with the first Loose core block 16, and the lower end of the first core_pulling pole 14 is pressed in the first position limit arm 13
On.A kind of lever-type ejection mechanism of the present utility model is in matched moulds, and upper mould 3 is pressed on lower mould 4 and depresses release link 7, makes
Release link 7 depresses the first actuating arm 12, and compression spring 6 is pressed on base 5 by the first actuating arm 12；First position limit arm 13
By the jack-up of the first core_pulling pole 14 and Loose core block is set to be fitted with workpiece 1；When needing to mold taking-up workpiece 1, upper mould 3 is opened up,
Compression spring 6 is released, and compression spring 6 is by the upward jack-up of the first actuating arm 12, so that the first position limit arm 13 is moved downward, the
One core_pulling pole 14 is moved down with the first position limit arm 13, so as to drive the first Loose core block 16 to depart from workpiece 1, completes core_pulling demoulding.
Thus, a kind of lever-type ejection mechanism of the present utility model, can conveniently realize the stripping operation of workpiece 1, simple in construction, behaviour
Facilitate.
In a kind of above-mentioned lever-type ejection mechanism of the present utility model, as shown in figure 3, first rotating shaft 10, the first lever
11st, the part such as compression spring 6, the first core_pulling pole 14, first Loose core block 16, which links together, constitutes the first core-pulling mechanism 9, can
Realize and core_pulling demoulding operation is carried out to a workpiece 1., can be on mould 4 once in order to improve the production efficiency of injection-molded work 1
The die cavity of two injection-molded works 1 is set, and each die cavity injection one workpiece 1 of manufacture is additionally provided with the second rotating shaft on the base 5
20, the second lever 21 is connected with the second rotating shaft 20, and the middle part of the second lever 21 is connected in the second rotating shaft 20, the second lever 21
Two ends be respectively the second actuating arm 22 and the second position limit arm 23, the bottom of the second actuating arm 22 is pressed in the compression spring 6；
The top of second actuating arm 22 is against the lower end of the release link 7；The second core_pulling pole 24 is additionally provided with the lower mould 4, second takes out
The upper end of core bar 24 is connected with the second Loose core block 26, and the lower end of the second core_pulling pole 24 is pressed on the second position limit arm 23, and above-mentioned each zero
Part, which links together, constitutes the second core-pulling mechanism 19.So, the first Loose core block 16 and the second Loose core block 26 are respectively used to be molded one
Workpiece 1, in die sinking, upper mould 3 is upwardly opened, and release link 7 unclamps compression spring 6, and compression spring 6 is by the first lever 11
Second actuating arm 22 of the first actuating arm 12 and the second lever 21 is while upward jack-up, the first position limit arm 13 of the first lever 11
It will be moved down simultaneously with the second position limit arm 23 of the second lever 21, the first core_pulling pole 14 and the second core_pulling pole 24 will be distinguished
The first Loose core block 16 and the second Loose core block 26 are driven while departing from two workpiece 1.So, it can be produced in a stripping operation
Two workpiece 1, it is possible to increase production efficiency.In order that the close look at the swing of the first core-pulling mechanism 9 and the second core-pulling mechanism 19,
First core-pulling mechanism 9 and the second core-pulling mechanism 19 are symmetrically arranged at the both sides of release link 7, and the second core_pulling pole 24 is parallel to first
Core_pulling pole 14, the second lever 21 and the first lever 11 are symmetrically arranged at the axis both sides of release link 7.Accordingly, art technology
Personnel it is of course possible to the like ground with the die cavity that more injection-molded works 1 are set on once mould 4, and more core pullings
Mechanism is with while manufacture more workpiece 1.
For the ease of workpiece 1 is taken out from lower mould 4, as shown in figure 4, the unlatching of the axis of the release link 7 and upper mould 3
Direction is parallel, between the axis of first core_pulling pole 14 and the axis of release link 7 there is angle to be acute angle, the upper unlatching of mould 3
Afterwards, the first position limit arm 13 of the first lever 11 is moved downward, and the first core_pulling pole 14 moves axially downwards along it and drives Loose core block
Depart from workpiece 1.When upper mould 3 is upwardly opened, release link 7 moves up and unclamps compression spring 6, it is preferable that release link 7
Upper end is connected to the bottom of mould 3.In order that the structure and reasonable stress of the first lever 11, it is preferable that first lever
11st, the first actuating arm 12, the second actuating arm 22 are the integrative-structure taken the shape of the letter U.So, the first lever 11, the first actuating arm 12,
First position limit arm 13 can be manufactured with overall processing, and structure is relatively simple, and intensity is higher, certainly, the second lever 21 can use with
The structure identical form of first lever 11.
In a kind of lever-type ejection mechanism of the present utility model, the first core_pulling pole 14 moves along its axis and drives first
Loose core block 16 is moved, and the axial direction of the first core_pulling pole 14 is set according to specific actual conditions, in order to ensure the first core pulling
Bar 14 can be moved along its axis swimmingly, it is preferable that as shown in Figure 3 and Figure 4, and the first pilot hole is provided with the lower mould 4
15, first core_pulling pole 14 is located in the first pilot hole 15 and is slidably matched with the first pilot hole 15.It is, of course, also possible under
Second pilot hole 25 is set in mould 4, and the second core_pulling pole 24 is located in the second pilot hole 25 and slided with the second pilot hole 25
Coordinate.When upper mould 3 is opened, release link 7 is moved axially upward along its, in order to ensure that release link 7 can be swimmingly along its axial direction
It is mobile, as shown in figure 3, reset guide hole 8 can be set on lower mould 4, release link 7 in reset guide hole 8 and with reset
Pilot hole 8 is slidably matched.Upper mould 3 unlatching after, compression spring 6 be released and by the first actuating arm 12 of the first lever 11 to
Upper jack-up is so that the first position limit arm 13 is moved downward, and the first core_pulling pole 14 moves down and drives the first Loose core block 16 to depart from
Workpiece 1, can produce contraction during due to injection liquid solidification, be mutually adjacent between workpiece 1 and Loose core block, it may be necessary to which Loose core block is applied
Plus larger power could be separated.Therefore, as a preferred mode, as shown in Figure 3 and Figure 4, first core_pulling pole 14
Lower end is provided with the first contiguous block 17, and the bottom surface of the first contiguous block 17 offsets with the first position limit arm 13 and can be with the phase of the first position limit arm 13
To sliding；Provided with the first auxiliary stage clip 18 between the top surface of first contiguous block 17 and the bottom surface of upper mould 3, the first auxiliary stage clip 18 will
First contiguous block 17 is pushed down on, so as to increase the active force of first 14 pair of first Loose core block 16 of core_pulling pole, makes the first Loose core block
16 can more easily depart from workpiece 1.Multiple first auxiliary pressures can be set between the top surface of contiguous block and the bottom surface of upper mould 3
Spring 18, the axis of the first auxiliary stage clip 18 and the diameter parallel of the first core_pulling pole 14.It is, of course, also possible in the second core_pulling pole
24 lower end is provided with the second contiguous block 27, the bottom surface of the second contiguous block 27 offseted with the second position limit arm 23 and can with it is second spacing
Arm 23 is relative to be slided；It is above-mentioned to reach provided with the second auxiliary stage clip 28 between the top surface of second contiguous block 27 and the bottom surface of upper mould 3
Purpose.
Technical scheme based on above-described embodiment, a kind of lever-type ejection mechanism of the present utility model can be easily real
The stripping operation of existing workpiece 1, it is simple in construction, it is easy to operate.
Above-described embodiment only illustrative principle of the present utility model and its effect are new not for this practicality is limited
Type.Any person skilled in the art can all be carried out without prejudice under spirit and scope of the present utility model to above-described embodiment
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the essence disclosed in the utility model
God and all equivalent modifications completed under technological thought or change, should be covered by claim of the present utility model.
Claims (10)
1. a kind of lever-type ejection mechanism, including upper mould (3) and lower mould (4), the upper mould (3) is above lower mould (4), and it is special
Levying is：
The lower mould (4) is provided with a base (5), and base (5) is provided with first rotating shaft (10), and first rotating shaft is connected with (10)
It is connected in the middle part of first lever (11), the first lever (11) in first rotating shaft (10), the two ends of the first lever (11) are set respectively
There are the first actuating arm (12) and the first position limit arm (13), the lower end of the first actuating arm (12) is provided with compression spring (6), compression spring
(6) lower end is pressed on base (5), and the upper end of compression spring (6) is against the bottom of the first actuating arm (12)；
Release link (7) and the first core_pulling pole (14) are additionally provided with the lower mould (4), the upper end of release link (7) is connected to mould (3)
Bottom, the lower end of release link (7) is pressed on first actuating arm (12)；The upper end of first core_pulling pole (14) is connected with first
Loose core block (16), the lower end of the first core_pulling pole (14) is pressed on the first position limit arm (13).
2. lever-type ejection mechanism as claimed in claim 1, it is characterized in that：The second rotating shaft is additionally provided with the base (5)
(20), it is connected with the middle part of the second lever (21), the second lever (21) and is connected in the second rotating shaft (20) in the second rotating shaft (20),
The two ends of second lever (21) are respectively the second actuating arm (22) and the second position limit arm (23), the bottom pressure of the second actuating arm (22)
In the compression spring (6)；The lower end of the release link (7) is against at the top of second actuating arm (22)；
The second core_pulling pole (24) is additionally provided with the lower mould (4), the upper end of the second core_pulling pole (24) is connected with the second Loose core block
(26), the lower end of the second core_pulling pole (24) is pressed on the second position limit arm (23).
3. lever-type ejection mechanism as claimed in claim 2, it is characterized in that：Second core_pulling pole (24) is taken out parallel to first
Core bar (14).
4. lever-type ejection mechanism as claimed in claim 2, it is characterized in that：Second lever (21) and the first lever (11)
It is symmetrically arranged at the axis both sides of release link (7).
5. lever-type ejection mechanism as claimed in claim 1, it is characterized in that：The upper end of the release link (7) is connected to mould
(3) bottom.
6. lever-type ejection mechanism as claimed in claim 1, it is characterized in that：First lever (11), the first actuating arm
(12), the second actuating arm (22) is the integrative-structure taken the shape of the letter U.
7. lever-type ejection mechanism as claimed in claim 1, it is characterized in that：The first pilot hole is provided with the lower mould (4)
(15), first core_pulling pole (14) is located in the first pilot hole (15) and is slidably matched with the first pilot hole (15).
8. lever-type ejection mechanism as claimed in claim 1, it is characterized in that：The lower end of first core_pulling pole (14) is provided with the
One contiguous block (17), bottom surface and the first position limit arm (13) of the first contiguous block (17) offset；The top surface of first contiguous block (17) with
Provided with the first auxiliary stage clip (18) between the bottom surface of upper mould (3).
9. lever-type ejection mechanism as claimed in claim 8, it is characterized in that：The bottom surface of the top surface of contiguous block and upper mould (3) it
Between provided with the multiple first auxiliary stage clips (18), the axis of axis and the first core_pulling pole (14) of the first auxiliary stage clip (18) is flat
OK.
10. lever-type ejection mechanism as claimed in claim 1, it is characterized in that：The axis of the release link (7) and upper mould (3)
Opening direction it is parallel, between the axis of first core_pulling pole (14) and the axis of release link (7) have angle be acute angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621276083.8U CN206528020U (en) | 2016-11-25 | 2016-11-25 | A kind of lever-type ejection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621276083.8U CN206528020U (en) | 2016-11-25 | 2016-11-25 | A kind of lever-type ejection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206528020U true CN206528020U (en) | 2017-09-29 |
Family
ID=59921934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621276083.8U Active CN206528020U (en) | 2016-11-25 | 2016-11-25 | A kind of lever-type ejection mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN206528020U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106738711A (en) * | 2016-11-25 | 2017-05-31 | 武汉通畅汽车电子照明有限公司 | A kind of lever-type ejection mechanism |
| CN108465798A (en) * | 2018-06-20 | 2018-08-31 | 绍兴闰安电气有限公司 | A kind of die casting |
-
2016
- 2016-11-25 CN CN201621276083.8U patent/CN206528020U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106738711A (en) * | 2016-11-25 | 2017-05-31 | 武汉通畅汽车电子照明有限公司 | A kind of lever-type ejection mechanism |
| CN108465798A (en) * | 2018-06-20 | 2018-08-31 | 绍兴闰安电气有限公司 | A kind of die casting |
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